UNO-3272G User Manual
18
Default: Dry contact
Isolated Digital Input Each of the 4 isolated digital input channels accept voltages
from 0 to 30 V. Every four input channels share one external common. (Pin1-4 use
PCOM and DGND, Pin 6-9 use DGND) The following figure shows how to connect an
external input source to the card's isolated inputs.
Figure 2.14 Isolated DI Dry connection
6
DI0
Isolated digital input
7
DI1
Isolated digital input
8
DI2
Isolated digital input
9
DI3
Isolated digital input
10
DGND
External common of IDI0~3
Table 2.15: DI/DO switch
Dry Contact
Wet Contact
1
OFF
ON
2
ON
OFF
Table 2.14: DI/ DO Pin Assignments
